package com.xianyun.smartpicturebackend;

import cn.hutool.core.collection.CollUtil;
import cn.hutool.core.util.StrUtil;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import org.junit.jupiter.api.Test;

import java.util.Arrays;
import java.util.List;

/**
 * @author xianYun
 * @version 1.0
 **/

public class HuTool {
    @Test
    public void hasBlank() {
        String str = "    ";
        System.out.println(StrUtil.hasBlank(str));
    }
}
